Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trung cap » truong cao, trung tam
thong dan » thong van, thong den, trong dan
tuong dan » huong dan, tung dan, xuong dan
cap dong » cao dong, cau dong, ca dong
tran tap » toan tap, tran tan, tran tuan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: mot ((chieu sang) or (chieu xanh)) - thanh trung cap dong ((thong dan) OR (tuong dan)) tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot ((chieu sang) OR (chieu xanh)) - thanh trung cap dong ((thong dan) OR (tuong dan)) tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mot ((chieu sang) or (chieu xanh)) - thanh trung cap dong ((thong dan) OR (tuong dan)) tran tap".
• Adding a wildcard symbol may retrieve word variants: mot ((chieu sang) or (chieu xanh)) - thanh trung cap dong ((thong dan) OR (tuong dan)) tran tap*.